作者: Chirag Rajan , Hoon Kim , Seung-Yeoul Yang , Jesse Collins
DOI:
关键词: Query plan 、 Database 、 Query language 、 Online aggregation 、 Information retrieval 、 Query expansion 、 View 、 Database tuning 、 Query optimization 、 Computer science 、 Database schema
摘要: Methods and systems are provided for querying a multi-tenant database. One exemplary method of generating an improved query plan to database from input submitted on demand service over network involves determining guidance information appropriate the based at least in part identity source query, hint processing information, providing form plan, thereby enabling return result responsive upon hint.